Gu, Jinfeng
Yang, Li
Li, Tao http://orcid.org/0000-0001-6689-2951
Liu, Ye
Zhang, Jing
Ning, Kejia
Su, Dajian
Article History
Received: 1 July 2020
Revised: 26 August 2020
Accepted: 8 September 2020
First Online: 15 September 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Tao Li.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• observational• multicenter study
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